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This article presents so little detail about what sort of student actions are being punished that it’s hard to get an idea of what’s really going on. I wouldn’t think Texas would be leading the nations in zero tolerance polices that punish kids for bringing aspirin to school or having a hunting rifle in the trunk of their cars.
More needs to be known about what sort of behaviors are being punished. But if a lot of it involves non-violent behavior that still makes it impossible to conduct classes in a sensible environment, then those things have to addressed.
Basically an article that provides little support for the conclusions, and no link to the study it bases the conclusions on.
(And how much of this comes from inner city schools and how much from smaller town and rural areas.)